超音波法液位元元元元元元测定 ultra-sonic method of liquid meaduremert
U-Th-K放射性元素 U-Th-K radioactive elements content
放射<性>元素 radioactive element; radioelement
放射性元素 radio element; radioelement; radioactive element; radioactive elements; active element; radioactive cement; airborne gamma element; Radioactive nuclear elements; nuclide; element; radioactive
放射性元素含量 radioactive element content; Contents of radioelements; Radioactivity anomaly characteristics
放射性元素群 active element group; AEG
放射性元素蜕变 radioactive disintegration
放射性元素运输铅罐 lead box for transportation of radio active element
非放射性元素 non radioactive element; non-radioactive element; element; non-radioactive
人工放射性元素 artificial radioelement; artificial element; artificial radioactive element
人造﹝放射性﹞元素 artificial (radioactive) element
人造放射性元素 artificial radioactive element
天然放射性元素 natural radioactive element; NRE
岩石放射性生热 Rock radiogenic heat
重元素放射性材料 heavy-element radioactive material
自然放射性元素 natural radioelement; natural radioactive element
伴生放射性 concomitant radioactivity; norms
伴生放射性矿 associated radioactive ore; Norm
伴生放射性矿物 Minerals Associated with Radionuclides